Career
Seo Ji-hun uses the Terran race. He first played StarCraft on a professional level during the 2001 Summer OSL Qualifiers. At this time he was on CJ Entus.
In September of the same year, Ji-hun was able to come in third in the Korean Qualifiers.
He was also able to place third in the You Are the Golf King MBCGame StarLeague. In 2005 he came in first place in the World Cyber Games Progamer selection for StarCraft, but did not place in the main event.
During this time period, he was given the nickname Perfect Terran. In February 2009 he started to serve his mandatory two year service for the Republic of of Korea Air Force.
In doing so he joined the professional StarCraft team Airforce American Council on Exercise. In June 2009 he said that he had not played for 300 days, but played again in order to fulfill his service, and said that he will use his mentality to get back to playing the game.
In 2010 he was asked to go to Korean Air"s main hangar to watch the OSL, along with all of the other past winners, and accepted. In June 2010 he was ranked 103 with 71.4 points in KeSPA rankings.